This is the 9073rd most frequent French word.
come
The French word "come" does not exist; it may be a misspelling.
In this sentence, 'comme' is used to mean 'like' or 'as', providing a comparison or simile between 'ray of light' and 'her arrival'.
Elle est venue comme un rayon de lumière dans ma vie.
She came like a ray of light into my life.
Here, 'comme' introduces a hypothetical scenario or analogy, emphasizing the intensity or focus one should have while working.
Travaille comme si tout dépendait de toi.
Work as if everything depends on you.
In this context, 'comme' serves to equate the subject, the person in question, with being an expert in terms of behavior or actions.